car1.java

黑魔方JSP基础教程源代码(耿祥义编著)是这里有课件和jsp源代码

package myclass;
import java.util.*;
import java.io.*;
public class Car1 implements Serializable
{  Hashtable list=new Hashtable();
  String item="Welcome!";
  int mount=0;
  String unit=null;
  public void Car1()
  {  }
  public void setItem(String newItem)
   { item=newItem;
   }
  public void setUnit(String newUnit)
   { unit=newUnit;
   }
  public void setMount(int m)
   { mount=m;
   }
 private String tranString(String tname){
  	try{ byte b[]=tname.getBytes("ISO-8859-1");
 	       tname=new String(b);
 	       return tname;}
 	       catch(Exception e)
 	       {return tname;
 	       	}
  	}
  public void 添加商品到购物车()
   { 
   	String hname="货物名称: ";
   	String hmount="  数量:";
   	String hunit="  单位:";
   	String str=hname+tranString(item)+hmount+mount+hunit+tranString(unit);
   	
     list.put(item,str);
   }
 public Hashtable 列出购物车中的商品()
   { 
   	  
   	return list;
   } 
 public void 删除货物(String s)
   { list.remove(s);
   }  
}